decreasing
Americanadjective
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becoming less or fewer; diminishing.
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Mathematics. (of a function) having the property that for any two points in the domain such that one is larger than the other, the image of the larger point is less than or equal to the image of the smaller point; nonincreasing.
Usage
What does decreasing mean? Decreasing is an adjective that means lessening or in decline—becoming less in number, amount, size, or in some other way.It comes from the continuous tense (-ing form) of the verb decrease, which means to lessen or become reduced in number, amount, size, or in some other way, as in Our profits will continue to decrease unless we cut costs.The word decreased can also be used as an adjective to describe things that have lessened or declined, as in a decreased appetite.Example: Decreasing sales have forced the company to cut costs.
Other Word Forms
- decreasingly adverb
- undecreasing adjective
- undecreasingly adverb
Etymology
Origin of decreasing
Middle English word dating back to 1350–1400; decrease, -ing 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
And while the number of livestock farmers in Greece is decreasing, 13,000 new farmers were registered in Crete between 2019 and 2025.
From Barron's • Apr. 3, 2026
So the value of the structure is actually decreasing every year,” one man wrote.
From MarketWatch • Mar. 28, 2026
Landfast ice in the Chukchi Sea has been decreasing for decades.
From Science Daily • Mar. 27, 2026
Supporters of the administration’s trade agenda say his team has already been leaning more on the Section 232 tariffs in recent months, decreasing the relative importance of the Ieepa duties.
From The Wall Street Journal • Feb. 21, 2026
During most of the movie Mrs. Reilly thought about Ignatius’ rapidly decreasing salary, the payment on the trumpet, the payment on the wrecked building, the earring, and the sign.
From "A Confederacy of Dunces" by John Kennedy Toole
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.